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Normative: When TA.copyWithin argument handling shrinks TA, use whatever elements still fit

needs consensusThis needs committee consensus before it can be eligible to be merged.This needs committee consensus before it can be eligible to be merged.

normative changeAffects behavior required to correctly evaluate some ECMAScript source textAffects behavior required to correctly evaluate some ECMAScript source text

web reality

Status: Open (in progress).

tc39/ecma262number 3619

#3619 In tc39/ecma262;

· gibson042 opened on Jun 8, 2025

TypedArray <code>copyWithin</code> spec text inconsistently responds to midstream shrinking

needs consensusThis needs committee consensus before it can be eligible to be merged.This needs committee consensus before it can be eligible to be merged.

web reality

Status: Open.

#3618 In tc39/ecma262;

· gibson042 opened on Jun 8, 2025

Normative: Add "Runtime Errors for Function Call Assignment Targets" to Annex B

has consensusThis has committee consensus.This has committee consensus.

has test262 tests

normative changeAffects behavior required to correctly evaluate some ECMAScript source textAffects behavior required to correctly evaluate some ECMAScript source text

web reality

Status: Open (in progress).

tc39/ecma262number 3568

#3568 In tc39/ecma262;

· rkirsling opened on Apr 18, 2025

Implementations do not agree on ArrayBuffer construction step order

web reality

Status: Open.

#3388 In tc39/ecma262;

· gibson042 opened on Aug 12, 2024

enforce some minimum accuracy bound for implementation-approximated values

needs dataThis PR needs more information; such as web compatibility data, “web reality” (what all engines do)…This PR needs more information; such as web compatibility data, “web reality” (what all engines do)…

web reality

Status: Open.

#3347 In tc39/ecma262;

· michaelficarra opened on Jun 6, 2024

Normative: specify web reality for Array.prototype.join with cyclic values

normative changeAffects behavior required to correctly evaluate some ECMAScript source textAffects behavior required to correctly evaluate some ECMAScript source text

web reality

Status: Open (in progress).

tc39/ecma262number 1518

#1518 In tc39/ecma262;

· ljharb opened on Apr 26, 2019

Consider defining a Realm (global) for all objects, not just Functions

layeringaffects the public spec interface and may require updates to integrating specsaffects the public spec interface and may require updates to integrating specs

needs specification textThe proposal should specify ecmarkup changes that can easily merge into tc39/ecma262/spec.html.The proposal should specify ecmarkup changes that can easily merge into tc39/ecma262/spec.html.

web reality

Status: Open.

#1333 In tc39/ecma262;

· bzbarsky opened on Oct 24, 2018

Runtime Semantics for MemberExpression do not conform to web reality(?)

question

web reality

Status: Open.

#1224 In tc39/ecma262;

· cpcallen opened on Jun 13, 2018

OrdinarySetPrototypeOf and the HTML spec

layeringaffects the public spec interface and may require updates to integrating specsaffects the public spec interface and may require updates to integrating specs

web reality

Status: Open.

#683 In tc39/ecma262;

· saambarati opened on Sep 2, 2016

WindowProxy and violations of internal method invariants

layeringaffects the public spec interface and may require updates to integrating specsaffects the public spec interface and may require updates to integrating specs

web reality

Status: Open.

#672 In tc39/ecma262;

· annevk opened on Aug 17, 2016

Analysis of how implementations handle the required escaping in RegExp#source

web reality

Status: Open.

#578 In tc39/ecma262;

· claudepache opened on May 20, 2016

Add Function#caller and Function#arguments to Annex B

web reality

Status: Open.

#562 In tc39/ecma262;

· claudepache opened on May 10, 2016